Re: Best way to access QHST programatically

Adrienne

The QHST logs are stored in files in the QSYS library (typical system) use 
WRKOBJ
*ALL/QHST* to see the list of files.  The log files are rolled over 
automatically
by the system.

The Text for each object will give you the date range of the data in the file.
        i.e.  Text of 10605220520511060523080342
  indicates data from 1/06/05/22 05:20:51 thru 1/06/05/23 08:03:42

The retention of these files on the system is controlled by a setting in the 
Cleanup
Options.
   GO CLEANUP
       1. Change cleanup options
             Number of days to keep:
                System journals and system logs . . . .   30

Selection of a Date Range on the DSPLOG command will automatically cross the 
required
log files based on the Date/Time ranges entered.

To dispay log for all backup jobs for the week of 06/05/06 thru 06/10/06
 DSPLOG  PERIOD((*AVAIL 060506) (*AVAIL 061006))
         OUTPUT(*PRINT)
         JOB(QEZBKTMMON QEZBKTMTUE QEZBKTMWED QEZBKTMTHU QEZBKTMFRI)
You can enter multiple jobs (with or without the USER/NUMBER)...
You cannot use a wildcard for the JOB(s).
You can further filter with Message ID Selections as mentioned in earlier post.
If you enter dates ranges outside of the Data ranges stored in the files you 
will
not see any messages, the data will just not be there.

--Jack

_________________________________________________
Jack Welch
ARIS, Inc.
Grand Island, NE  68803
_________________________________________________

 Tom,

I am relatively new to the iSeries and I appreciate your assstance.

Thanks so much for your response.  I noticed the documentation you directed 
me to

was for V5R4 - we are still on V5R2 - does this make a difference?

Also, all of our systems are batch-oriented, which is why I want to use the 
QHST

log file - not the QHST queue.  I want to simply start out accessing the QHST 
files
and then selectively filtering messages based up[on job name, or rather partial 
job
name.  I am assuming I will need to first list and mergelog files to include 
logs
for a few days.  I want to retrieve and report all of the jobs that rean for 
client
xxx (part of the job name) for the last 2 days and report the status of the job 
and
maybe who submitted the job.  I do not need to know the specifics of what the 
job
entailed - more specifically whether it ran to completion successfully or not.

Any comments, let me know - as I said I am new at this on the Iseries.

Thanks,

Adrienne



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message: 1
date: Fri, 16 Jun 2006 19:13:28 -0400
from: qsrvbas@xxxxxxxxxxxx
subject: Re: [COBOL400-L] Best way to access QHST programatically

cobol400-l-request@xxxxxxxxxxxx wrote:

  1.  Best way to access QHST programatically (Adrienne McConnon)
I am going to be writing a COBOL program to access/report on job

status'

in the QHST file.  Anybody know if there is a better way to do this besides 
using

the QMHRCVPM API ( receive program message).  I have seen

documentation on the History Utility - but I have not been able to get that to

function - is it a product that needs to be purchased?  Anybody

have a sample or snipit of QHST accessing API's in COBOL?

Adrienne:

There seems to be some confusion about QHST and how APIs might be used. 
First, the

QHST message queue isn't a program message queue, so QMHRCVPM wouldn't be
appropriate. Instead, for most message queues, you'd use QMHRCVM (receive
NON-program messages).

Unfortunately, the QHST message queue is a special case. You can't normally

receive messages from it. It's restricted in that way.

Also, if you _could_ receive messages from it, you might not want to because

messages aren't kept in the QHST message queue for long in many cases. In some
cases, messages might be there for only fractions of a second. The message data 
gets
moved to the QHST log physical files automatically at intervals (more or less) 
and
removed from the message queue.

For general details, see:

http://publib.boulder.ibm.com/infocenter/iseries/v5r4/index.jsp?topic=/r

bam6/systl.htm

or
http://makeashorterlink.com/?V21262A4D

Read that page carefully, especially the later parts that discuss how message 
data

gets from the message queue to the log files.

Your programming will be far easier once that page is understood. (And your

programming will be _very_ difficult without it!)

Tom Liotta

--
Tom Liotta
The PowerTech Group, Inc.
19426 68th Avenue South
Kent, WA 98032
Phone  253-872-7788 x313
Fax    253-872-7904
http://www.powertech.com


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